[observer|runtime_tools] Fixed dialyzer issue
[observer|runtime_tools] Fixed dialyzer issue

OTP-18012

potatosalad/otp,rlipscombe/otp,dgud/otp,emacsmirror/erlang,vinoski/otp,rlipscombe/otp,emacsmirror/erlang,dgud/otp,mikpe/otp,erlang/otp,emacsmirror/erlang,isvilen/otp,isvilen/otp,erlang/otp,dgud/otp,g-andrade/otp,g-andrade/otp,jj1bdx/otp,jj1bdx/otp,jj1bdx/otp,emacsmirror/erlang,dgud/otp,erlang/otp,mikpe/otp,dumbbell/otp,potatosalad/otp,mikpe/otp,jj1bdx/otp,emacsmirror/erlang,rlipscombe/otp,jj1bdx/otp,isvilen/otp,potatosalad/otp,isvilen/otp,dumbbell/otp,rlipscombe/otp,vinoski/otp,erlang/otp,potatosalad/otp,dgud/otp,jj1bdx/otp,emacsmirror/erlang,isvilen/otp,g-andrade/otp,bjorng/otp,dumbbell/otp,jj1bdx/otp,dumbbell/otp,dumbbell/otp,rlipscombe/otp,mikpe/otp,vinoski/otp,g-andrade/otp,mikpe/otp,erlang/otp,vinoski/otp,mikpe/otp,isvilen/otp,bjorng/otp,dumbbell/otp,rlipscombe/otp,isvilen/otp,vinoski/otp,dumbbell/otp,bjorng/otp,rlipscombe/otp,vinoski/otp,erlang/otp,vinoski/otp,g-andrade/otp,potatosalad/otp,dgud/otp,mikpe/otp,emacsmirror/erlang,bjorng/otp,dumbbell/otp,potatosalad/otp,isvilen/otp,jj1bdx/otp,isvilen/otp,mikpe/otp,bjorng/otp,g-andrade/otp,potatosalad/otp,g-andrade/otp,isvilen/otp,bjorng/otp,erlang/otp,erlang/otp,dgud/otp,g-andrade/otp,rlipscombe/otp,bjorng/otp,jj1bdx/otp,potatosalad/otp,g-andrade/otp,bjorng/otp,erlang/otp,dumbbell/otp,vinoski/otp,emacsmirror/erlang,dgud/otp,dumbbell/otp,g-andrade/otp,bjorng/otp,jj1bdx/otp,potatosalad/otp,emacsmirror/erlang,vinoski/otp,potatosalad/otp,rlipscombe/otp,mikpe/otp,dgud/otp,vinoski/otp,rlipscombe/otp,emacsmirror/erlang,dgud/otp,erlang/otp,bjorng/otp,mikpe/otp